Resolutely uncomplaining, Hillary is not recognised historically (5)

I believe the answer is:

stoic

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'resolutely uncomplaining' is the definition.
'stoic' can be an answer for 'uncomplaining' (I've seen this before). I am unsure of the 'resolutely' bit.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for stoic that I've seen before include "Unemotional" , "Uncomplaining; philosopher" , "Zeno, say" , "the original Zeno?" , "Athenian philosopher" .)

I've seen this clue in the Sydney Morning Herald.

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